Overview

overview

10

Static

static

6

d94c773a57...bb.apk

android-9-x86

10

d94c773a57...bb.apk

android-10-x64

10

d94c773a57...bb.apk

android-11-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    android-9_x86
  • resource
    android-x86-arm-20240910-en
  • resource tags

    arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
  • submitted
    10-09-2024 22:25

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General

  • Target

    d94c773a579344b61c8d94438676562228e1b08395052059887662b45d3668bb.apk

  • Size

    4.4MB

  • MD5

    43557157e3cdccd8aaf6c6d174fd0041

  • SHA1

    ab137b43bf558e2fde846cb6bb6513f70f5abaaf

  • SHA256

    d94c773a579344b61c8d94438676562228e1b08395052059887662b45d3668bb

  • SHA512

    0268cf59631bac39ac09849b432e2fd95ea542d72e14b5bf7b2723254e52101d3138c28aff024e628fd92c0012ff970775cb5f10d466eaffff8d949ab1e7c41a

  • SSDEEP

    98304:Ab/DkuEew9l5VbgXoabHULNItkgfps4Q7DASBvVjeZjqYYdHzD4PzrW3E:Abb/ET7bgXvb0LNkkoQ7DASBviAHzDqF

Score
10/10
hookbankercollectioncredential_accessdiscoveryevasionexecutionimpactinfostealerpersistencerattrojan

Malware Config

Extracted

Family

hook

C2

http://185.147.124.43

DES_key
AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

    rattrojaninfostealerhook
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

    evasion
  • Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

    collectionevasioncredential_access
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
    bankerdiscovery
  • Queries information about running processes on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about running processes on the device.

    discovery
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
    discovery
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

    evasionpersistence
  • Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

    Application may abuse the accessibility service to prevent their removal.

    evasion
  • Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

    discovery
  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
    discovery
  • Reads information about phone network operator. 1 TTPs
    discovery
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
    persistence
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

    executionpersistence
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
    impact
  • Checks CPU information 2 TTPs 1 IoCs
  • Checks memory information 2 TTPs 1 IoCs

Processes

  • com.inpcirazx.epycjkjfi
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    • Checks CPU information
    • Checks memory information
    PID:4272
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.inpcirazx.epycjkjfi/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.inpcirazx.epycjkjfi/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4296

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

1
T1603

Persistence

Event Triggered Execution

1
T1624

Broadcast Receivers

1
T1624.001

Foreground Persistence

1
T1541

Scheduled Task/Job

1
T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1
T1407

Foreground Persistence

1
T1541

Impair Defenses

1
T1629

Prevent Application Removal

1
T1629.001

Input Injection

1
T1516

Virtualization/Sandbox Evasion

2
T1633

System Checks

2
T1633.001

Credential Access

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Discovery

Process Discovery

1
T1424

Software Discovery

1
T1418

Security Software Discovery

1
T1418.001

System Information Discovery

2
T1426

System Network Configuration Discovery

3
T1422

System Network Connections Discovery

1
T1421

Lateral Movement

Collection

Input Capture

2
T1417

GUI Input Capture

1
T1417.002

Keylogging

1
T1417.001

Screen Capture

1
T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1
T1471

Input Injection

1
T1516

Replay Monitor

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Downloads

  • /data/data/com.inpcirazx.epycjkjfi/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    ea6d3d9c6778fc5cad405546496a13f2

    SHA1

    55db3711b59c12d7fb08279787f7bf2a1c1adc59

    SHA256

    77da31192a4f3eadb0e3c8775142a047be944f93b26d557122f9647bfe7036df

    SHA512

    791ccf48a5f7e0f4f7e972bd77e5ad3ec8ed16860f4410ec52d353047777354a8dfc25a5287812349ea3756559202d4dad80b4e09cd8d39beccfc19d33babf14

    Download Submit

  • /data/data/com.inpcirazx.epycjkjfi/cache/classes.dex
    Filesize

    1.0MB

    MD5

    e734cc59b28440007fc220beb992a647

    SHA1

    0c762ea03f99e74cd99872de6d52408986bb080f

    SHA256

    aa7f1278fd8c40d7970fe4dd905c2c3ead1ed8d98fd0f8c58cd867c46b3ef12e

    SHA512

    77fb8b9fbbcd102c37ca554ff6e53c32db5191ec7a2751acaadd0a2797745d76fefc7693a9c49ebf708f436a295ca659a03bd8acc8534f35299c9f453e25c8d2

    Download Submit

  • /data/data/com.inpcirazx.epycjkjfi/cache/classes.zip
    Filesize

    1.0MB

    MD5

    e700fd879a304410370409f8ea1358a4

    SHA1

    4debe36321aa090564529d5162f04e866f86ef7a

    SHA256

    d0063c32ddf79bd5f75793d25c049aa5a12863fdf6a4b98fc8e79429bfa26a39

    SHA512

    1324d36f4133540fad1699096f78110c46cdb4d2f24fcaac517e87571ade7c3d7a3908cd022a97cb9dc9db0e460b02a266d51213b5e34b9e2e1403b79b9551c7

    Download Submit

  • /data/data/com.inpcirazx.epycjkjfi/no_backup/androidx.work.workdb
    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

    Download Submit

  • /data/data/com.inpcirazx.epycjkjfi/no_backup/androidx.work.workdb-journal
    Filesize

    512B

    MD5

    0eda89a4059ebf0ad708ce432ddc99e7

    SHA1

    37eb5008308d19b2eb92271afd1a2398d239ade3

    SHA256

    fc5161200bd818bb4d1fc9707794aa00aeafa69facd7325788e3fb65c96a842f

    SHA512

    a402f41fd42829f79a11c1527bd14a7e518f28e15c402f30543e328307adbedac5bbcf7efecdcab948c299a02ccd6ca6a4d181f1008c922be5ff99ca07734482

    Download Submit

  • /data/data/com.inpcirazx.epycjkjfi/no_backup/androidx.work.workdb-shm
    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

    Download Submit

  • /data/data/com.inpcirazx.epycjkjfi/no_backup/androidx.work.workdb-wal
    Filesize

    108KB

    MD5

    024d787a35d9ba4710fad5610feddcd0

    SHA1

    ba14b0597a8c159b622b45e51113bd72877f684b

    SHA256

    f1594f440119eed7b26ccc1be901aa0200a07aa7b9946f2571eb87aba49b0fc7

    SHA512

    4909ab55e0ac801e65f54f874f33d65d35b80a9f46df96e70722175603e83bcd92fbae615e1549c27da14a3daf0a9a1795422d556cc3eb9685f276dd5aa0a0d4

    Download Submit

  • /data/data/com.inpcirazx.epycjkjfi/no_backup/androidx.work.workdb-wal
    Filesize

    173KB

    MD5

    de1bf6c2a842bf9b930615042f7675de

    SHA1

    8ffd989f39eaa3775eefc2bcdb7bf731e2cbfbff

    SHA256

    6f71078ff8d6aee3bde655b684677b61e36339b04f1a351ba22af3f463fc2919

    SHA512

    af85a4cde9c5a32088534b4f38067e8c3a531ac99f78a0daef4ae1ee740c8ded21b23855d7e71b00973cf32e83e82ba186960da41c37bfce2e7b4123a6e68f3f

    Download Submit

  • /data/data/com.inpcirazx.epycjkjfi/no_backup/androidx.work.workdb-wal
    Filesize

    16KB

    MD5

    7788804270d1b6f3ee0f6f543793a53a

    SHA1

    b58b52ef837e143d0fa0d6bf5917e5e3c888c6a1

    SHA256

    6e2fd4a7670c63a7c8d28991888e029e7fce266de982cbbfc2fbf9c1a75c9233

    SHA512

    dfde6189c83bf3b0f46552a9cced6b3dcf4968245cd7652b79395c069c896d521b7de3e94a3fbc4a5f7f91289ff89f77b6685ebcbdaa77c8c164ff2749669593

    Download Submit

  • /data/user/0/com.inpcirazx.epycjkjfi/app_dex/classes.dex
    Filesize

    2.9MB

    MD5

    69cbc751ded3d204fa990dbb5b041672

    SHA1

    900b0f6efadb24455695528fde9738d2cdb7dbb0

    SHA256

    b9b93adbb9d2203678b87e8569978e70d086bc2060efb0cafa3c4d168ad097e5

    SHA512

    d921743052027c1d108b24ac405851135d71f770d874e2f5ef746721833cd4713d8d8654d282bc7ba196fbbe21e1d1e7c8f5333cf86fddc1f8ff14a321b7dbbd

    Download Submit